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Eleventh Grade (Grade 11) Combinations and Permutations Questions

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Grade 11 Combinations and Permutations
To find the probability of two independent events occurring, you must
  1. multiply the elements together.
  2. determine the number of elements, then multiply.
  3. find the probability of each element, then multiply.
  4. divide the number of favorable outcomes by the number of total outcomes.
Grade 11 Combinations and Permutations
To find the total number of arrangements in a combination you must
  1. multiply the elements together.
  2. determine the number of elements, then multiply.
  3. find the probability of each element, then multiply.
  4. divide the number of favorable outcomes by the number of total outcomes.
Grade 11 Combinations and Permutations
Simplify the expression.
(n+1)!(n-1)!
  1. n
  2. n(n+1)
  3. 1
  4. (n+1)
  5. none of these are correct
Grade 11 Combinations and Permutations
How do you find the total number of arrangements in a permutation?
  1. Multiply the elements together.
  2. Determine the number of elements, then multiply.
  3. Find the probability of each element, then multiply.
  4. Divide the number of favorable outcomes by the number of total outcomes.
Grade 11 Combinations and Permutations
Evaluate 7P3.
  1. 210
  2. 0
  3. 100
  4. 35
Grade 11 Combinations and Permutations
How many different ways can you arrange the first 6 letters in the alphabet?
  1. 1
  2. 24
  3. 720
  4. 120
  5. none of these are correct
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